• Allow expires_in with a value of 0

• PHP 5.6 or greater is now required
• Rename getResponse() to getParsedResponse()
• Add getResponse() method that returns the unparsed PSR-7 Response instance
• Removed RandomFactory, switched to native random functions

Fixed

• Random state strings will now always be alpha-numeric, to prevent URI encoding issue #546

Added

• Add QueryBuilderTrait to standardize query string generation.

Added

• Add AccessToken::getValues() to access additional vendor data provided with tokens.

• Enable dynamic parameters being passed into the authorization URL
• Minor documentation updates

• Add resource_owner_id to the JSON-serialized representation of the access token.
• Minor documentation updates and improved test coverage.

• Add ArrayAccessorTrait, update AbstractProvider to utilize.
• Use expires to serialize access tokens.
• Documentation updates.

• Allow access tokens to be created from storage (see #431).
• Minor fixes and documentation updates.

• Allow required parameters checked using the RequiredParameterTrait to be set as false, null, "0", etc.